たまにsplitとjoinがわからなくなるのでメモ(ついでにmap)
a = '1 2 3 4 5 6 7 8' b = list(a.split()) print(b) ['1', '2', '3', '4', '5', '6', '7', '8']
c= ",".join(b) print(type(c)) <class 'str'>
d = list(map(int,b)) print(d) [1, 2, 3, 4, 5, 6, 7, 8]
a = '1 2 3 4 5 6 7 8' b = list(a.split()) print(b) ['1', '2', '3', '4', '5', '6', '7', '8']
c= ",".join(b) print(type(c)) <class 'str'>
d = list(map(int,b)) print(d) [1, 2, 3, 4, 5, 6, 7, 8]